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I took off my MBC, and fixed my intake so it's a smooth flow now, but I still have a problem. When accelerate my tac begins to climb, but as i give it more gas it doesn't accelerate it just says at about 2 thousand RPMs and feels like it's guna die. And then all of a sudden it will spool up and go just fine. Im not sure what it could be though.

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Could be your throttle position sensor, if its got a dead spot it could be catching on a low throttle spot and then suddenly hit the higher rpm, as ususal check the basics, plugs wires and the like, if you have bosch plugs you won't go anywhere. stick with the NGK's

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